Granted Patent
Utility
US 6,456,474 · App. 09/285,687
Semiconductor integrated circuit
Inventor:
Koji Yasumori
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Apr 5, 1999
Inventor
Koji Yasumori
Assignee (at issue)
NEC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.